2 vs 1 benchmarks won
Google Gemini 2.5 Pro | Moonshot AI Kimi K2 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Mar 25 2025 | Jul 11 2025 |
| Model type | — | — |
| Open source | No | Yes |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 128k |
| Benchmarks | ||
Science reasoning GPQA Diamond | 86.4% | 75.1% |
Software engineering SWE-Bench Verified | 59.6% | 65.8% |
Multimodal understanding MMMU | 68% | — |
| Timeline | ||
| Release gap | Gemini 2.5 Pro shipped 108 days before Kimi K2 | |
Gemini 2.5 Pro leads Kimi K2 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 108 days before Kimi K2, so benchmark comparisons should account for the intervening progress.
Kimi K2 is an open-source / open-weight model; Gemini 2.5 Pro is proprietary.
On GPQA Diamond, Gemini 2.5 Pro scores 86.4%, 11.3 points above Kimi K2 at 75.1%. On SWE-Bench Verified, Kimi K2 scores 65.8%, 6.2 points above Gemini 2.5 Pro at 59.6%.